62
DecentGoodWatch scoreSummary
NGC goes inside one of the greatest natural marvels on the planet - a giant crystal cave described as Superman's fortress, with magnificent crystals up to 36 feet long and weighing 55 tons.
Where to watch
Not streaming in United States. Where it is:
Cast
Crew
- Directed by
- Gary Lang, Gonzalo Infante Castañeda
- Written by
- Gary Lang
Everyone
Pick a department, or search for a name or a job (“editor”, “stunt”).
Facts
October 9, 2010 · Documentary · English
- Released
- October 9, 2010
- Genres
- Documentary
- Original language
- English
- Made in
- Canada, Mexico
- Available in
- 8 countries

6.5







